Desaparecidos

Desaparecidos is a 2011 Brazilian horror film directed by David Schürmann. The film tells the story of a group of six friends, who after going to a party on an island, mysteriously disappeared, with frightening images of them registered by the cameras. Found by the authorities, these images are the only way to find out what happened to them.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.